(1) See phono cartridge.
(2) A removable storage module that contains magnetic disks, optical discs, magnetic tape or memory chips. Cartridges are inserted into slots in the drive, printer or computer. Cartridges typically contain one reel of tape or one disk platter, while cassettes are for tape only and have a supply and takeup reel. Very often, tape cassettes are called cartridges. For a summary of removable tape, disk and optical cartridges, see magnetic tape, magnetic disk and optical disc.
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